QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Ohio is

$49,429

28.6%

of persons 25 years+ in Pennsylvania have a bachelor's degree or higher

23.7%

of persons in Cook County, Illinois are under 18 years

12.5%

of persons in Illinois are 65 years and over

Median household income of Cook County, Illinois is

$55,251

23.4%

of persons in San Diego County, California are under 18 years

25.4%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey